body{
    font-family: "Times New Roman"; font-size: 1.0em; background-color: lightgrey; width: 100%; height: 100%;
}

.siet-div {
    border: groove 1px; z-index: 80;
    width: 70%;
    margin: 8% 0 0 15%;
}
.hidden-div-mian{
    background-color: black; filter:alpha(Opacity=70);-moz-opacity:0.2;opacity: 0.2;
    margin: 0; position: absolute; left: 0px; top: 0px; z-index: 90; width: 100%; height: 100%;
    display: none;
}

.hidden-div{
    width: 300px; height: 200px; border: solid 1px; text-align: center;
    position: fixed;left: 40%; top: 35%; background-color: antiquewhite;
    display: none; z-index: 100;
}

.msg_txt{
    position: relative; left: 10%; width: 80%;
    top: 70px;
}

.cols_msg_but{
    position: absolute; left: 130px;
    top: 165px;
}
